| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
32.5%
|
|
| 1 | 6 |
15%
|
|
| 2 | 6 |
15%
|
|
| 3 | 2 |
5%
|
|
| 4 | 4 |
10%
|
|
| 5 | 4 |
10%
|
|
| 7 | 5 |
12.5%
|
|
| Sysmiss | 306 |